broadway's "great why way" proved to be a -- while the performers and audiences may change, the show goes on. after ten years, the business model is still defying gravity. ♪ defying gravity >> happy 10th anniversary, "wicked". >> the fact that the show has been going on for ten years on broadway, and nine countries around the world, it's a testament to fans. >> people come from all around to see the show. people have said i have seen it in singapore, i have seen it in japan, but i wantsed to come to broadway to see it. >> i thought that first night, well, that's different.